3977164800 has 720 divisors, whose sum is σ = 16957820880. Its totient is φ = 902430720.

The previous prime is 3977164787. The next prime is 3977164801. The reversal of 3977164800 is 84617793.

It is a tau number, because it is divible by the number of its divisors (720).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3977164801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 29030332 + ... + 29030468.

It is an arithmetic number, because the mean of its divisors is an integer number (23552529).

Almost surely, 2^3977164800 is an apocalyptic number.

3977164800 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3977164800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8478910440).

3977164800 is an abundant number, since it is smaller than the sum of its proper divisors (12980656080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3977164800 is a wasteful number, since it uses less digits than its factorization.

3977164800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188 (or 154 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 3977164800 is about 63064.7667085196. The cubic root of 3977164800 is about 1584.3745670669.

The spelling of 3977164800 in words is "three billion, nine hundred seventy-seven million, one hundred sixty-four thousand, eight hundred".